Add EPCR support in booke mtspr/mfspr emulation. EPCR register is defined only
for 64-bit and HV categories, we will expose it at this point only to 64-bit
virtual processors running on 64-bit HV hosts.
Define a reusable setter function for vcpu's EPCR.
Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
[agraf: move HV dependency in the code]
Signed-off-by: Alexander Graf <agraf@suse.de>
+void kvmppc_set_epcr(struct kvm_vcpu *vcpu, u32 new_epcr)
+{
+#if defined(CONFIG_64BIT)
+ vcpu->arch.epcr = new_epcr;
+#ifdef CONFIG_KVM_BOOKE_HV
+ vcpu->arch.shadow_epcr &= ~SPRN_EPCR_GICM;
+ if (vcpu->arch.epcr & SPRN_EPCR_ICM)
+ vcpu->arch.shadow_epcr |= SPRN_EPCR_GICM;
+#endif
+#endif
+}
+
void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr)
{
vcpu->arch.tcr = new_tcr;
void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr)
{
vcpu->arch.tcr = new_tcr;
void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr);
void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr);
void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr);
void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr);
+void kvmppc_set_epcr(struct kvm_vcpu *vcpu, u32 new_epcr);
void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr);
void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr);
void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
case SPRN_MCSR:
vcpu->arch.mcsr &= ~spr_val;
break;
case SPRN_MCSR:
vcpu->arch.mcsr &= ~spr_val;
break;
+#if defined(CONFIG_64BIT)
+ case SPRN_EPCR:
+ kvmppc_set_epcr(vcpu, spr_val);
+#ifdef CONFIG_KVM_BOOKE_HV
+ mtspr(SPRN_EPCR, vcpu->arch.shadow_epcr);
+#endif
+ break;
+#endif
default:
emulated = EMULATE_FAIL;
}
default:
emulated = EMULATE_FAIL;
}
case SPRN_MCSR:
*spr_val = vcpu->arch.mcsr;
break;
case SPRN_MCSR:
*spr_val = vcpu->arch.mcsr;
break;
+#if defined(CONFIG_64BIT)
+ case SPRN_EPCR:
+ *spr_val = vcpu->arch.epcr;
+ break;
+#endif
default:
emulated = EMULATE_FAIL;
default:
emulated = EMULATE_FAIL;